Word: 5s
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Dates: during 1970-1979
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...space shuttle. The launch vehicle will be a Saturn 5 booster left over from the Apollo program. In fact, NASA officials hinted last week that they may cancel next year's Apollo 15 moon flight and possibly one of the subsequent moon shots to free more Saturn 5s for space stations. But ultimately only space shuttles offer a really economical method of provisioning and rotating the crews of larger stations such as the twelve-man orbiting laboratory planned for the late 1970s. The Russians, who may well be testing space-station systems on the Soyuz 9 two-man mission...
More than jobs will be lost. After delivery of the last of the 15 Saturn 5s already purchased, NASA plans to suspend production of the mighty rockets. Seven of the eight remaining Saturns will be used for lunar landings, spaced six (instead of four) months apart. The last scheduled mission-Apollo 20-will be scrapped altogether and its rocket used in 1972 to launch an earth-orbiting, three-man space station. Unmanned flights will also feel the squeeze. Project Viking, the long-awaited mission that will land two life-detecting probes on Mars, has been postponed two years, from...